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317475399121 is a prime number
BaseRepresentation
bin1001001111010110000…
…00100010010111010001
31010100110101222021122121
410213223000202113101
520200142200232441
6401502435334241
731636223236666
oct4475300422721
91110411867577
10317475399121
1111270564a311
1251641a51381
1323c2647276a
141151a011a6d
1583d198edd1
hex49eb0225d1

317475399121 has 2 divisors, whose sum is σ = 317475399122. Its totient is φ = 317475399120.

The previous prime is 317475399119. The next prime is 317475399167. The reversal of 317475399121 is 121993574713.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270099523521 + 47375875600 = 519711^2 + 217660^2 .

It is a cyclic number.

It is not a de Polignac number, because 317475399121 - 21 = 317475399119 is a prime.

Together with 317475399119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (317475399821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158737699560 + 158737699561.

It is an arithmetic number, because the mean of its divisors is an integer number (158737699561).

Almost surely, 2317475399121 is an apocalyptic number.

It is an amenable number.

317475399121 is a deficient number, since it is larger than the sum of its proper divisors (1).

317475399121 is an equidigital number, since it uses as much as digits as its factorization.

317475399121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840, while the sum is 52.

The spelling of 317475399121 in words is "three hundred seventeen billion, four hundred seventy-five million, three hundred ninety-nine thousand, one hundred twenty-one".